Article(id=1221467207704432937, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1221467200582500783, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202208161, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1659974400000, receivedDateStr=2022-08-09, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1769150076080, onlineDateStr=2026-01-23, pubDate=1684944000000, pubDateStr=2023-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769150076080, onlineIssueDateStr=2026-01-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769150076080, creator=13701087609, updateTime=1769150076080, updator=13701087609, issue=Issue{id=1221467200582500783, tenantId=1146029695717560320, journalId=1210938733613449225, year='2023', volume='52', issue='5', pageStart='1', pageEnd='166', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769150074382, creator=13701087609, updateTime=1769157444393, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1221498112716226774, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1221467200582500783, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1221498112716226775, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1221467200582500783, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=48, endPage=54, ext={EN=ArticleExt(id=1221467207981257023, articleId=1221467207704432937, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=Vibration reduction method for condensate pump motor based on dynamic vibration absorber, columnId=1221467201333281201, journalTitle=Thermal Power Generation, columnName=Special topics on safe operation, fault diagnosis and treatment technology of power generation equipment, runingTitle=null, highlight=null, articleAbstract=

Based on the dynamic vibration absorber method, analysis on abnormal vibration of vertical condensate pump motor and vibration reduction measures are carried out. According to the vibration characteristics of the condensate pump motor, the design method of power vibration absorption is studied theoretically, and the power vibration absorber is developed and designed and applied to the actual unit. The results show that, the dynamic balancing method has certain limitations in alleviating the vibration exceedance of the condensate pump motor during varying frequency operation, and cannot reduce the vibration amplitude of the condensate pump motor in both directions at the same time. The mass participating in the vibration of the condensate pump system shows a growing change with the increasing additional mass, and the first-order vibration mass at the top of the condensate pump motor is about 6 000 kg (X direction) and 7 000 kg (Y direction). With mass ratio of 2%, 5% and 10%, the maximum vibration amplitude in X direction is reduced by 80%, 83% and 86%, and the maximum vibration amplitude in Y direction is reduced by 68%, 77% and 83%. The dynamic vibration absorber device effectively reduces the vibration in both directions, and the actual reduction of vibration in X and Y directions is about 53% and 66% during the whole frequency operation period. The vibration control method based on the dynamic vibration absorber of the condensate pump motor has an excellent vibration reduction effect.

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基于动力吸振方法开展立式凝结水泵(凝泵)电机异常振动问题的分析与减振措施研究。针对凝泵电机振动特点,从理论上研究动力吸振设计方法,开发设计了动力吸振器并应用于实际机组。结果表明:动平衡方法在缓解凝泵电机变频运行时的振动超标问题时具有一定的局限性,无法同时降低凝泵电机2个方向的振动幅值;凝泵系统参振质量随附加质量的增加而降低,凝泵电机顶端一阶参振质量约为6 000 kg(X方向)、7 000 kg(Y方向);动力吸振器质量比为2%、5%、10%时,凝泵电机X方向最大振动幅值降低约80%、83%、86%,Y方向最大振动幅值降低约68%、77%、83%;安装动力吸振器可有效降低2个方向上的振动,在整个变频运行区间内,XY方向振幅实际降幅约53%、66%。该基于动力吸振的凝泵电机振动控制方法具有较好的减振效果。

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李敬豪(1992),男,硕士,工程师,主要研究方向为汽轮机振动,
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周瑜(1990),男,工程师,主要研究方向为旋转机械振动与控制研究,

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周瑜(1990),男,工程师,主要研究方向为旋转机械振动与控制研究,

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周瑜(1990),男,工程师,主要研究方向为旋转机械振动与控制研究,

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基于动力吸振的凝结水泵电机振动控制方法研究
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周瑜 1 , 李敬豪 2 , 张万福 3
热力发电 | 发电设备安全运行、故障诊断及治理技术专题 2023,52(5): 48-54
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热力发电 | 发电设备安全运行、故障诊断及治理技术专题 2023, 52(5): 48-54
基于动力吸振的凝结水泵电机振动控制方法研究
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周瑜1 , 李敬豪2 , 张万福3
作者信息
  • 1.大唐南京发电厂,江苏 南京 210023
  • 2.中国大唐集团科学技术研究总院有限公司华东电力试验研究院,安徽 合肥 231299
  • 3.上海理工大学能源与动力工程学院,上海 200093
  • 周瑜(1990),男,工程师,主要研究方向为旋转机械振动与控制研究,

通讯作者:

李敬豪(1992),男,硕士,工程师,主要研究方向为汽轮机振动,
Vibration reduction method for condensate pump motor based on dynamic vibration absorber
Yu ZHOU1 , Jinghao LI2 , Wanfu ZHANG3
Affiliations
  • 1.Datang Nanjing Power Plant, Nanjing 210023, China
  • 2.China Datang Corporation Science and Technology General Research Institute Co., Ltd., Hefei 231299, China
  • 3.School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
出版时间: 2023-05-25 doi: 10.19666/j.rlfd.202208161
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基于动力吸振方法开展立式凝结水泵(凝泵)电机异常振动问题的分析与减振措施研究。针对凝泵电机振动特点,从理论上研究动力吸振设计方法,开发设计了动力吸振器并应用于实际机组。结果表明:动平衡方法在缓解凝泵电机变频运行时的振动超标问题时具有一定的局限性,无法同时降低凝泵电机2个方向的振动幅值;凝泵系统参振质量随附加质量的增加而降低,凝泵电机顶端一阶参振质量约为6 000 kg(X方向)、7 000 kg(Y方向);动力吸振器质量比为2%、5%、10%时,凝泵电机X方向最大振动幅值降低约80%、83%、86%,Y方向最大振动幅值降低约68%、77%、83%;安装动力吸振器可有效降低2个方向上的振动,在整个变频运行区间内,XY方向振幅实际降幅约53%、66%。该基于动力吸振的凝泵电机振动控制方法具有较好的减振效果。

凝结水泵  /  电机振动  /  动力吸振器  /  有限元方法

Based on the dynamic vibration absorber method, analysis on abnormal vibration of vertical condensate pump motor and vibration reduction measures are carried out. According to the vibration characteristics of the condensate pump motor, the design method of power vibration absorption is studied theoretically, and the power vibration absorber is developed and designed and applied to the actual unit. The results show that, the dynamic balancing method has certain limitations in alleviating the vibration exceedance of the condensate pump motor during varying frequency operation, and cannot reduce the vibration amplitude of the condensate pump motor in both directions at the same time. The mass participating in the vibration of the condensate pump system shows a growing change with the increasing additional mass, and the first-order vibration mass at the top of the condensate pump motor is about 6 000 kg (X direction) and 7 000 kg (Y direction). With mass ratio of 2%, 5% and 10%, the maximum vibration amplitude in X direction is reduced by 80%, 83% and 86%, and the maximum vibration amplitude in Y direction is reduced by 68%, 77% and 83%. The dynamic vibration absorber device effectively reduces the vibration in both directions, and the actual reduction of vibration in X and Y directions is about 53% and 66% during the whole frequency operation period. The vibration control method based on the dynamic vibration absorber of the condensate pump motor has an excellent vibration reduction effect.

condensate pump  /  motor vibration  /  dynamic vibration absorber  /  finite element method
周瑜, 李敬豪, 张万福. 基于动力吸振的凝结水泵电机振动控制方法研究. 热力发电, 2023 , 52 (5) : 48 -54 . DOI: 10.19666/j.rlfd.202208161
Yu ZHOU, Jinghao LI, Wanfu ZHANG. Vibration reduction method for condensate pump motor based on dynamic vibration absorber[J]. Thermal Power Generation, 2023 , 52 (5) : 48 -54 . DOI: 10.19666/j.rlfd.202208161
2023年第52卷第5期
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doi: 10.19666/j.rlfd.202208161
  • 接收时间:2022-08-09
  • 首发时间:2026-01-23
  • 出版时间:2023-05-25
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  • 收稿日期:2022-08-09
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    1.大唐南京发电厂,江苏 南京 210023
    2.中国大唐集团科学技术研究总院有限公司华东电力试验研究院,安徽 合肥 231299
    3.上海理工大学能源与动力工程学院,上海 200093

通讯作者:

李敬豪(1992),男,硕士,工程师,主要研究方向为汽轮机振动,
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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